Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
Inventor
active
Combination safety needle assembly and medical apparatus
Fluid infusion device with retractable needle
Medical device with safety flexible needle
Method and apparatus for automatically handling faxes
Pre-filled retractable needle injection device
No associations
LandOfFree
John Barker does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John Barker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Barker will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-942543